AI has become the core driving force of the US stock market, with technology accounting for nearly half of the market capitalization of the S&P 500

The U.S. stock market is experiencing a sell-off, and the artificial intelligence industry is influencing the direction of financial markets and the macroeconomy. As of November 3, the market capitalization of the S&P 500 index has increased by nearly $32 trillion, with half of the gains coming from 10 AI-related companies. Approximately 44%, or $610 billion, of U.S. pension holdings are linked to the technology sector.